16t^2-169t-46=0

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Solution for 16t^2-169t-46=0 equation:


Simplifying
16t2 + -169t + -46 = 0

Reorder the terms:
-46 + -169t + 16t2 = 0

Solving
-46 + -169t + 16t2 = 0

Solving for variable 't'.

Begin completing the square.  Divide all terms by
16 the coefficient of the squared term: 

Divide each side by '16'.
-2.875 + -10.5625t + t2 = 0

Move the constant term to the right:

Add '2.875' to each side of the equation.
-2.875 + -10.5625t + 2.875 + t2 = 0 + 2.875

Reorder the terms:
-2.875 + 2.875 + -10.5625t + t2 = 0 + 2.875

Combine like terms: -2.875 + 2.875 = 0.000
0.000 + -10.5625t + t2 = 0 + 2.875
-10.5625t + t2 = 0 + 2.875

Combine like terms: 0 + 2.875 = 2.875
-10.5625t + t2 = 2.875

The t term is -10.5625t.  Take half its coefficient (-5.28125).
Square it (27.89160156) and add it to both sides.

Add '27.89160156' to each side of the equation.
-10.5625t + 27.89160156 + t2 = 2.875 + 27.89160156

Reorder the terms:
27.89160156 + -10.5625t + t2 = 2.875 + 27.89160156

Combine like terms: 2.875 + 27.89160156 = 30.76660156
27.89160156 + -10.5625t + t2 = 30.76660156

Factor a perfect square on the left side:
(t + -5.28125)(t + -5.28125) = 30.76660156

Calculate the square root of the right side: 5.546764963

Break this problem into two subproblems by setting 
(t + -5.28125) equal to 5.546764963 and -5.546764963.

Subproblem 1

t + -5.28125 = 5.546764963 Simplifying t + -5.28125 = 5.546764963 Reorder the terms: -5.28125 + t = 5.546764963 Solving -5.28125 + t = 5.546764963 Solving for variable 't'. Move all terms containing t to the left, all other terms to the right. Add '5.28125' to each side of the equation. -5.28125 + 5.28125 + t = 5.546764963 + 5.28125 Combine like terms: -5.28125 + 5.28125 = 0.00000 0.00000 + t = 5.546764963 + 5.28125 t = 5.546764963 + 5.28125 Combine like terms: 5.546764963 + 5.28125 = 10.828014963 t = 10.828014963 Simplifying t = 10.828014963

Subproblem 2

t + -5.28125 = -5.546764963 Simplifying t + -5.28125 = -5.546764963 Reorder the terms: -5.28125 + t = -5.546764963 Solving -5.28125 + t = -5.546764963 Solving for variable 't'. Move all terms containing t to the left, all other terms to the right. Add '5.28125' to each side of the equation. -5.28125 + 5.28125 + t = -5.546764963 + 5.28125 Combine like terms: -5.28125 + 5.28125 = 0.00000 0.00000 + t = -5.546764963 + 5.28125 t = -5.546764963 + 5.28125 Combine like terms: -5.546764963 + 5.28125 = -0.265514963 t = -0.265514963 Simplifying t = -0.265514963

Solution

The solution to the problem is based on the solutions from the subproblems. t = {10.828014963, -0.265514963}

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